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Perrierite-(La)

Type Locality
In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany
Mineral Data
(La,Ce,Ca)4(Fe,Mn2+,Mg)Fe3+2(Ti,Fe3+)2(Si2O7)2O8
Strunz: 
9.BE.70
Physical Properties
Colour: 
Black
Streak: 
Brown
Hardness: 
6.0 - 0.0
Tenacity: 
brittle
Synonyms
Synonyms: 
Perrierite-La, Perrierite La and Perrierite - La